541615664 has 20 divisors (see below), whose sum is σ = 1052251104. Its totient is φ = 270067008.

The previous prime is 541615651. The next prime is 541615721. The reversal of 541615664 is 466516145.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40247 + ... + 51990.

Almost surely, 2^541615664 is an apocalyptic number.

It is an amenable number.

541615664 is a deficient number, since it is larger than the sum of its proper divisors (510635440).

541615664 is a wasteful number, since it uses less digits than its factorization.

541615664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92612 (or 92606 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 541615664 is about 23272.6376674411. The cubic root of 541615664 is about 815.1366220583.

The spelling of 541615664 in words is "five hundred forty-one million, six hundred fifteen thousand, six hundred sixty-four".